/**
 * Copyright (c) 2021 OceanBase
 * OceanBase CE is licensed under Mulan PubL v2.
 * You can use this software according to the terms and conditions of the Mulan PubL v2.
 * You may obtain a copy of Mulan PubL v2 at:
 *          http://license.coscl.org.cn/MulanPubL-2.0
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PubL v2 for more details.
 */

#ifndef _OB_SET_NAMES_EXECUTOR_H
#define _OB_SET_NAMES_EXECUTOR_H 1
#include "sql/resolver/cmd/ob_set_names_stmt.h"
namespace oceanbase {
namespace sql {
class ObExecContext;
class ObSetNamesExecutor {
  public:
  ObSetNamesExecutor()
  {}
  virtual ~ObSetNamesExecutor()
  {}

  int execute(ObExecContext& ctx, ObSetNamesStmt& stmt);

  private:
  int get_global_sys_var_character_set_client(ObExecContext& ctx, common::ObString& character_set_client) const;

  private:
  // disallow copy
  DISALLOW_COPY_AND_ASSIGN(ObSetNamesExecutor);
  // function members
  private:
  // data members
};

}  // end namespace sql
}  // end namespace oceanbase

#endif /* _OB_SET_NAMES_EXECUTOR_H */
